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  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
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  <body>
    <h1>我是a页面</h1>
    <script>
      //获取哈希参数
      console.log(window.location.hash);
      //哈希参数 : 会在前端路由里使用到
    </script>
  </body>
</html>
